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Ships within 48 hours · Estimated delivery Aug 29 - Sep 3
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Description
RDL DB-SH1 Stereo Headphones Amplifier Wall Plate with Level ControlThe DB SH1 is used in applications requiring headphones of any impedance to be driven from consumer or professional audio sources. The DB SH1 is ideally suited to applications as diverse as language translation, museums, interview studios and music stores. The module mounts conveniently in a precut opening in a wood or metal enclosure or in various RDL mounting accessories. The DB SH1 is a dual channel headphone amplifier with balanced unbalanced left
The DB-SH1 is used in applications requiring headphones of any impedance to be driven from consumer or professional audio sources. The DB-SH1 is ideally suited to applications as diverse as language translation, museums, interview studios and music stores. The module mounts conveniently in a precut opening in a wood or metal enclosure or in various RDL mounting accessories. The DB-SH1 is a dual channel headphone amplifier with balanced/unbalanced left and right inputs. Each input accepts operating levels between -20 dBV and +20 dBu. Two recessed slide switches located on the side of the rear enclosure are set prior to mounting the module. One switch is provided for setting the input sensitivity. The mode switch selects between stereo and mono operation. In the mono position, the left input is used to drive both output channels. When the module is used in a monaural system, only the left channel input must be wired. The front panel level control is a long life potentiometer controlling matched VCAs. Audio does not pass through this control, assuring years of noise free level adjustment. The output amplifiers deliver more than 50 mW into either high or low impedance headphones through a durable, metal ¼" (6.3 mm) standard headphone jack. Module operation is from a 24 Vdc ground referenced power supply. It can also operate from a 12 Vdc supply with a 6 dB reduction in headroom and a maximum output power of 10 mW.
Features
- Panel-Mounted Headphone Amplifier
- Wall-Mounted Headphone Amplifier
- Integral Long-Life VCA Stereo Level Control
- Balanced or Unbalanced Inputs
- Switch-Selectable Input Sensitivity
- Switch-Selectable Mono (Left) or Stereo Operation
- Amplifier To Drive High or Low Impedance Headsets
- Convenience of Decora® Mounting Possibilities
Specifications
| Inputs (2): | 10 kΩ balanced or unbalanced bridging |
| Input Level: | +4 dBu nominal (Low input sensitivity); -15 dBV nominal (High input sensitivity) |
| Maximum Input Level: | +21 dBu (Low input sensitivity); +3 dBu (High input sensitivity) |
| Output Signal (normal rated): | 10 mW into 100 Ω |
| Output Signal (maximum): | 50 mW into 100 Ω |
| THD+N: | < 0.5% @ 1 kHz |
| Frequency Response: | 30 Hz to 20 kHz (± 2 dB) |
| Noise: | < -70 dB below normal operating level |
| Gain: | User-adjustable on front panel 18.5 dB (maximum, High input sensitivity); Unity (maximum, Low input sensitivity) |
| CMRR: | > 60 dB (50 to 120 Hz) |
| Crosstalk: | Below noise floor (20 Hz to 20 kHz) |
| Ambient Operating Environment: | 0° C to 55° C |
| Power Requirement: | GROUND-REFERENCED 24 Vdc @ 50 mA |
| Package Type: | Cardboard Box |
| Tariff code: | 8543.70.9860 |
| WEEE weight: | 0.325 lbs. |
| Package Dimensions: | 3.625 x 4.625 x 2.125 in. |
| Shipping Weight: | 0.475 lbs. |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy